The message profiles for validating the messages exchanged in the context of the LAW (Laboratory Analytical Workflow) integration profiles have been updated to match the requirements expressed in the new version of the LAW supplement (1.4), published on March, 16th 2015.

You can access the GazelleHL7Validator through the EVSClient tool or directly called the validation SOAP webservice (documentation)

Feel free to report any bug or inconsistency in our issue tracker at http://gazelle.ihe.net/jira/browse/HLVAL